diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
index cc34ba47..576e2cc7 100644
--- a/tests/modetest/buffers.c
+++ b/tests/modetest/buffers.c
@@ -164,6 +164,7 @@ bo_create(int fd, unsigned int format,
 	case DRM_FORMAT_BGRX4444:
 	case DRM_FORMAT_ARGB1555:
 	case DRM_FORMAT_XRGB1555:
+	case DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN:
 	case DRM_FORMAT_ABGR1555:
 	case DRM_FORMAT_XBGR1555:
 	case DRM_FORMAT_RGBA5551:
@@ -171,6 +172,7 @@ bo_create(int fd, unsigned int format,
 	case DRM_FORMAT_BGRA5551:
 	case DRM_FORMAT_BGRX5551:
 	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN:
 	case DRM_FORMAT_BGR565:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
@@ -330,6 +332,7 @@ bo_create(int fd, unsigned int format,
 	case DRM_FORMAT_BGRX4444:
 	case DRM_FORMAT_ARGB1555:
 	case DRM_FORMAT_XRGB1555:
+	case DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN:
 	case DRM_FORMAT_ABGR1555:
 	case DRM_FORMAT_XBGR1555:
 	case DRM_FORMAT_RGBA5551:
@@ -337,6 +340,7 @@ bo_create(int fd, unsigned int format,
 	case DRM_FORMAT_BGRA5551:
 	case DRM_FORMAT_BGRX5551:
 	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN:
 	case DRM_FORMAT_BGR565:
 	case DRM_FORMAT_BGR888:
 	case DRM_FORMAT_RGB888: